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30020013321 = 319051525257
BaseRepresentation
bin11011111101010101…
…010000110100001001
32212111010221200111020
4123331111100310021
5442440110411241
621442505023053
72111631621504
oct337525206411
985433850436
1030020013321
1111805573371
125999784a89
132aa55815bc
14164ad7813b
15baa77db66
hex6fd550d09

30020013321 has 8 divisors (see below), whose sum is σ = 40028861664. Its totient is φ = 20012253600.

The previous prime is 30020013301. The next prime is 30020013323. The reversal of 30020013321 is 12331002003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30020013321 - 29 = 30020012809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30020013321.

It is not an unprimeable number, because it can be changed into a prime (30020013323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205476 + ... + 319781.

It is an arithmetic number, because the mean of its divisors is an integer number (5003607708).

Almost surely, 230020013321 is an apocalyptic number.

It is an amenable number.

30020013321 is a deficient number, since it is larger than the sum of its proper divisors (10008848343).

30020013321 is a wasteful number, since it uses less digits than its factorization.

30020013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544311.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30020013321 its reverse (12331002003), we get a palindrome (42351015324).

The spelling of 30020013321 in words is "thirty billion, twenty million, thirteen thousand, three hundred twenty-one".

Divisors: 1 3 19051 57153 525257 1575771 10006671107 30020013321